Apparatus for charging emergency battery using thermoelectric generation device in nuclear power plant

a technology of nuclear power plant and emergency battery, which is applied in nuclear engineering, nuclear elements, greenhouse gas reduction, etc., can solve the problems of power supply to emergency core cooling apparatus and accident handling equipment that cannot operate, and the amount of emergency cooling water may not be provided
US20130114779A1Inactive Publication Date: 2013-05-09KEPCO NUCLEAR FUEL CO LTD
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Patent Information

Authority / Receiving Office
US · United States
Current Assignee / Owner
KEPCO NUCLEAR FUEL CO LTD
Publication Date
2013-05-09
Estimated Expiration
Not applicable · inactive patent

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Abstract

An apparatus for charging an emergency battery, which provides an emergency power to an emergency core cooling apparatus including an electric pump or a steam pump includes a thermoelectric generation device configured to detect a decay heat and a residual heat produced in a nuclear power plant and configured to convert the detected heat to an electric energy; an electric energy conversion unit connected to the thermoelectric generation device to output a current generated in the thermoelectric generation device as a constant voltage; and the emergency battery configured to store a power outputted from the electric energy conversion unit.
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Description

CROSS-REFERENCE TO RELATED APPLICATIONS

[0001] The present application claims priority benefits under 35 U.S.C. §119 to Korean Patent Application No. 10-2011-0091157, filed Sep. 08, 2011.BACKGROUND OF THE INVENTION

[0002] 1. Field of the Invention

[0003] The present invention relates to an apparatus for charging an emergency battery to supply an emergency power to an emergency core cooling apparatus of a nuclear power plant, and more particularly to an apparatus for charging an emergency battery by using a decay heat and a residual heat generated in a nuclear plant by installing a thermoelectric generation device on a nuclear power generation system such as, for example, a nuclear reactor, a hot leg pipe, a cold leg pipe, and a steam generator, which has a temperature difference therein.

[0004] 2. Description of the Related Art

[0005] In a nuclear power plant using a pressurized water reactor, an unexpected safety accident can occur even if a design of the nuclear power plant has an adequate ...

Claims

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